Circuit breaker



FIG. 1 is a perspective view of a circuit breaker showing my new design.

FIG. 2 is a front elevational view thereof.

FIG. 3 is a rear elevational view thereof.

FIG. 4 is a right side elevational view thereof.

FIG. 5 is a left side elevational view thereof.

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken line portion of the drawing figures is used to showenvironmental subject matter only and forms no part of the claimeddesign.

CLAIM The ornamental design for a circuit breaker, as shown anddescribed.